Suicide bomb kills 15 in Pakistan

The blast injures 22 others, official says Initial investigations indicate it was targeting a base for anti-Taliban fighters Officials say the death toll could rise significantly Islamabad, Pakistan (CNN) -- A suicide blast killed at least 15 people in a tribal area in northwest Pakistan on Saturday, authorities said. The blast injured 22 others in Darra Adam khel, near Peshawar, said Nasir Khan, a local government official. Initial investigations indicate the bomb was targeting a base for anti-Taliban fighters, according to officials. "The building targeted was the resistance fighters' office base," said Ghulam Farooq, another local official. The Tehrik-e Taliban Pakistan operates in the area, according to Farooq. Officials say the death toll could go up significantly. The building targeted was in a main market area at one of the busiest times of the day.